Sub Demo()
Application.ScreenUpdating = False
With ActiveDocument.Range
  With .Find
    .ClearFormatting
    .Replacement.ClearFormatting
    .Text = "Assessed:^l"
    .Replacement.Text = ""
    .Forward = True
    .Wrap = wdFindStop
    .Format = False
    .MatchCase = True
    .MatchWildcards = False
    .Execute
  End With
  If .Find.Found Then
    .Collapse wdCollapseEnd
    Call InsertSignatureMacro
  End If
End With
Application.ScreenUpdating = True
End Sub